Cutting tool insert



FIG. 1 is an isometric view of a cutting tool insert in accordance with a first embodiment of the subject invention; and,

FIG. 2 is a top plan view of FIG. 1, wherein the bottom plan view is identical.

Broken line illustrations in the drawings are not part of the subject matter sought to be patented. 

The ornamental design for a cutting tool insert, as shown and described. 